Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6086708 | Holographic check authentication article and method | — | 2000-07-11 |
| 5786587 | Enhancement of chip card security | — | 1998-07-28 |
| 5634669 | Holographic check authentication article | — | 1997-06-03 |
| 5432329 | Automated holographic optical recognition and decoding system for verification | Lily O'Boyle | 1995-07-11 |
| 5336871 | Holographic enhancement of card security | — | 1994-08-09 |
| 4684795 | Security tape with integrated hologram and magnetic strip | — | 1987-08-04 |
| 4597814 | Method for manufacturing card with three-dimensional label incorporated therein | — | 1986-07-01 |
| 4547002 | Credit and identification cards having pieces of diffraction grating therein | — | 1985-10-15 |
| 4462851 | Method for taxing cigarette packs and validating cigarette cartons | — | 1984-07-31 |